Ordering Information
The device number is used to form part of a simplified purchasing code where the package type and temperature range are
defined as follows:
74F 574
S
C
X
Temperature Range Family
e
e
54F Military
Special Variations
e
74F Commercial
QB
Military grade device with
environmental and burn-in
processing
Device Type
Temperature Range
e
Package Code
a
C
Commercial (0 C to 70 C)
§
§
e
e
e
e
e
P
D
F
L
Plastic DIP
Ceramic DIP
Flatpak
Leadless Chip Carrier (LCC)
Small Outline JEDEC
Small Outline SOIC EIAJ
e
b a
Military ( 55 C to 125 C)
M
§
§
S
e
SJ
Physical Dimensions inches (millimeters)
20-Lead Ceramic Leadless Chip Carrier (L)
NS Package Number E20A
5
ROCHESTER [ Rochester Electronics ]
